diff --git a/packages/opencode/src/cli/cmd/tui/routes/session/permission.tsx b/packages/opencode/src/cli/cmd/tui/routes/session/permission.tsx
index 095c45cef75..4caa84b3fba 100644
--- a/packages/opencode/src/cli/cmd/tui/routes/session/permission.tsx
+++ b/packages/opencode/src/cli/cmd/tui/routes/session/permission.tsx
@@ -54,7 +54,7 @@ function EditBody(props: { request: PermissionRequest }) {
         <text fg={theme.textMuted}>Edit {normalizePath(filepath())}</text>
       </box>
       <Show when={diff()}>
-        <box maxHeight={Math.floor(dimensions().height / 4)} overflow="scroll">
+        <box maxHeight={Math.floor(dimensions().height / 2)} overflow="scroll">
           <diff
             diff={diff()}
             view={view()}